#include <stdio.h>
int main(void)
{
	int *p1,a=1;
	p1=&a;
	int **p2;
	p2=&p1;
	printf("*p2 = %p\n",*p2);
	printf("&p1 = %p\n",&p1);
	printf("*p1 = %p\n",*p1);
	printf("**p2 = %p\n",**p2);
	return 0;
}
